Robert fitz Swein
- Yes, date unknown(Notes: You may have to scroll down or right to see chart.)
| Robert de Vere, 3rd Earl of Oxford -Yes, date unknown |
| Robert de Vere, 3rd Earl of Oxford | |
| D: | Yes, date unknown |
Isabel de Bolebec -Yes, date unknown |
| Isabel de Bolebec | |
| D: | Yes, date unknown |
| Agnes of Essex -Yes, date unknown |
| Agnes of Essex | |
| D: | Yes, date unknown |
| Aubrey de Vere, 1st Earl of Oxford -Yes, date unknown |
| Aubrey de Vere, 1st Earl of Oxford | |
| D: | Yes, date unknown |
| Henry of Essex -Yes, date unknown |
| Henry of Essex | |
| D: | Yes, date unknown |
| Alice -Yes, date unknown |
| Alice | |
| D: | Yes, date unknown |
| Robert fitz Swein -Yes, date unknown |
| Robert fitz Swein | |
| D: | Yes, date unknown |